If 56.5kJ are needed to raise the temp by 90°C and if the heater is 60% efficient that means that:
60% X y = 56.5kJ
where y is the electrical energy in kJ that the heater will use.
y = 94.2kJ
Answer:

Explanation:
We are given that
d=0.23 mm=

Screen is placed from the slits at distance ,L=4.75 m
The bright interference fringes on the screen are separated by 1.56 cm.

1 m=100 cm
We have to find the wavelength of laser light.
We know that

Substitute the values



Answer:
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Answer:
Kinetic energy is the energy by virtue of object's motion whereas Thermal energy is the internal energy of an object due to the kinetic energy of its atoms. On Increasing temperature, they both increases
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Explanation:
B because those are all symptoms